Impaired Water - Bay City Creek (Bay City Creek)
Ashland County, Wisconsin
LS08
2891100
0.00 - 7.77
7.77
Water is impaired due to one or more pollutants and associated quality impacts.
Notes
Elevated phosphorus levels and degraded biology were identified in the 2016 cycle and confirmed in the 2018 cycle. New water quality data reviewed in the 2024 cycle indicated no additional pollutants.
Listing Details
Pollutant
Total Phosphorus
Listed For
Fish and Aquatic Life
Impairments
Degraded Biological Community
Current Use
Unsupported Aquatic Life
Listing Status
303d Listed
Attainable Use
WWFF - Warmwater Forage Fishery
Priority
Low
Designated Use
WWFF - Warmwater Forage Fishery
303(d) ID
2016-292
Listing Date
4/1/2016
Impaired Water Notes
This water was assessed during the 2016 listing cycle; total phosphorus sample data exceed 2016 WisCALM listing criteria for the Fish and Aquatic Life use and biological impairment was observed (i.e. at least one macroinvertebrate or fish Index of Biotic Integrity (IBI) scored in the poor condition category).
Date
12/14/2015

Impaired Water Notes
This water was assessed during the 2018 listing cycle; new total phosphorus sample data exceed 2018 WisCALM listing criteria for the Fish and Aquatic Life use and biological impairment was observed (i.e. at least one macroinvertebrate Index of Biotic Integrity (IBI) scored in the poor condition category).
Date
4/13/2017